/* 统一导航栏样式 - 简洁大气风格 */

/* Header Styles - Minimalist */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 20px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
}

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.logo-main {
    display: flex;
    align-items: center;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.logo-speed {
    background: linear-gradient(135deg, #0066FF, #00D4AA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-right: 4px;
}

.logo-geo {
    background: linear-gradient(135deg, #FF6B6B, #FF8E53);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-sub {
    font-size: 11px;
    font-weight: 500;
    color: #666;
    letter-spacing: 1px;
    margin-top: -2px;
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 50px;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #0066FF;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #0066FF;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.cta-button {
    background: #0066FF;
    color: white;
    padding: 12px 28px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.cta-button:hover {
    background: transparent;
    color: #0066FF;
    border-color: #0066FF;
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 20px;
    }
    
    .nav-menu {
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-container {
        padding: 0 20px;
    }
}